diff --git a/requirements.txt b/requirements.txt
index 9f8c815..2df03e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -61,7 +61,7 @@ PySastrawi==1.2.0
 python-dateutil==2.8.1
 pywin32==227
 pywinpty==0.5.7
-PyYAML==5.2
+PyYAML==5.4
 pyzmq==18.1.0
 qtconsole==4.6.0
 requests==2.22.0